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Mar 29, 2018 | 04:06 PM

Ronny Sawiki

Thread Starter

Junior Member

Joined: Mar 2018

Posts: 2

New here and have a ?

So I was told that the bolt at the bottom is a bushing that on all wheel drive vehicles. This bushing can cause CV axles to fail if this is bad. My question is what is it, how do I replace it and how hard is this to do?

Mar 30, 2018 | 10:26 AM

TAINTER

Senior Member

Joined: Sep 2008

Posts: 6,126

From: SE Michigan

Front differential cross member bushing.
Couple ways to fix it.
Buy a new cross member from GM $300+ easiest.
Replace all 3 of the differential the bushings with an Outfitter Design bushing kit https://www.outfitterdesign.com/do-i...shing-kit.html

Mar 30, 2018 | 01:16 PM

Doc Olds

Super Moderator

Joined: Jul 2007

Posts: 13,083

From: Boat Town USA MI

Welcome to HF.

You posted your tech question in the WRONG section, so I moved it. The new member section is for : hello I am a new guy.... yada yada. It says in a thread stuck at the top, ... THIS SECTION IS NOT FOR TECH QUESTIONS!!

Tainter has it covered, but others might explain what it is for beyond holding the front diff in position for the front prop shaft out of the T case.

Mar 30, 2018 | 10:26 PM

Ronny Sawiki

Thread Starter

Junior Member

Joined: Mar 2018

Posts: 2

Quote:

Originally Posted by TAINTER

thanks so much for the reply.. I was wondering if this could cause CV axles to fail on a regular basis? Thanks in advance!

Mar 31, 2018 | 01:30 AM

Happy Hummer

Senior Member

Joined: Oct 2011

Posts: 1,652

From: Wisconsin

Hello & welcome...
Google is your friend...

https://www.google.com/search?q=diff...obile&ie=UTF-8

Just a quick cursory search. I'm sure this will give you more then enough to read.

Last edited by Happy Hummer; Mar 31, 2018 at 01:33 AM.

Apr 1, 2018 | 08:00 AM

TAINTER

Senior Member

Joined: Sep 2008

Posts: 6,126

From: SE Michigan

Quote:

Originally Posted by Ronny Sawiki

thanks so much for the reply.. I was wondering if this could cause CV axles to fail on a regular basis? Thanks in advance!

Shouldn't effect the half shafts. If you look at it as an entire assembly the movement of the front diff with a bad cross member bushing will rotate with the half shaft not bind them. A bad cross member bushing will effect the front prop shaft (drive shaft), diff front seal, output shaft and seal on the Tcase.

What do the left and right differential mounts look like?

What is failing with your half shafts? Street driven or OffRoad? aftermarket wheels? Any other front suspension mods? What is your front height frothed center hub to the bottom of the fender?